CN217603601U - Sealing rotary joint for high-low temperature heat-conducting medium in isolation recycling - Google Patents
Sealing rotary joint for high-low temperature heat-conducting medium in isolation recycling Download PDFInfo
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- CN217603601U CN217603601U CN202221289919.3U CN202221289919U CN217603601U CN 217603601 U CN217603601 U CN 217603601U CN 202221289919 U CN202221289919 U CN 202221289919U CN 217603601 U CN217603601 U CN 217603601U
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- sealing ring
- rotor shaft
- shell
- low temperature
- rotary joint
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
A sealed rotary joint for high and low temperature heat-conducting media in isolated cycle utilization comprises a rotor shaft, wherein an air inlet liquid hole is formed in the outer layer of the rotor shaft; a sealing ring is arranged between the outer wall of the rotor shaft and the inner wall of the shell and is sleeved on the outer wall surface of the rotor shaft; a guide pipe with two through ends is arranged between the sealing rings, and a thrust spring is movably arranged in the guide pipe. The utility model discloses simple structure, use safety and stability, and easy to maintain through simple structure, has solved the drawback part to the drying-machine ubiquitous in the prior art, has realized the isolation of good hot-medium and backward flow cold medium, has guaranteed that hot-medium temperature is up to standard and not influenced by backward flow cold medium, and the stoving effect is stable. And the sealing mechanism is more reasonable in arrangement, the safe operation time is longer, and the service life of the whole equipment is prolonged.
Description
Technical Field
The utility model relates to a general drying machine field especially relates to a sealed rotary joint who is used for keeping apart high low temperature heat-conducting medium when cyclic utilization.
Background
The existing drying machinery has many types, but the drying principle is basically the same, generally, a heat medium is utilized to carry out circulating heat exchange, the drying material is heated and dried, and finally, the heat medium is cooled and recovered, and the heating circulating heating is continued.
However, in the drying operation of the drying equipment, the drying chamber is generally rotated to turn over the material in order to dry the material uniformly. The rotary chamber has higher setting form requirements on the conveying and recycling of the heat medium, which is also a common disadvantage of the existing drying equipment, wherein the most important is that the heat exchange medium has poor cold and heat isolation in the circulating process, so that the temperature does not reach the standard, the drying effect is poor and the heat loss is serious; secondly, the sealing mechanism is not reasonably arranged, so that the problem of internal leakage of a heat exchange medium is solved, production loss is avoided, and the service life of equipment and the production safety are seriously influenced. In order to solve the above problems, a corresponding solution device is still lacking in the market.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art weak point, provide a simple structure, safe and reliable uses easy maintenance's a high low temperature heat-conducting medium's when being used for keeping apart cyclic utilization sealed rotary joint.
The equipment comprises a rotor shaft, wherein the rotor shaft is of a double-layer structure, a central cavity of the rotor shaft is a backflow cavity after heat exchange of a heat medium, namely a low-temperature medium outlet, and a interlayer layer of the rotor shaft is a conveying cavity of the heat medium; the outer layer of the rotor shaft is provided with a gas inlet liquid hole,
a shell is sleeved outside the rotor shaft, a high-temperature medium inlet is formed in the shell, the high-temperature medium inlet is arranged at the rear part of the shell, and the arrangement position of the high-temperature medium inlet corresponds to the gas inlet hole;
a sealing ring is arranged between the outer wall of the rotor shaft and the inner wall of the shell and is sleeved on the outer wall surface of the rotor shaft;
a sealing ring positioning device is also arranged between the sealing rings and is arranged at intervals of the gas inlet liquid hole; the sealing ring positioning device comprises a guide pipe, and the guide pipe is fixedly connected with the shell through a rotation stopping bolt; that is, the seal ring positioning device remains fixed in position while the rotor shaft rotates.
The two ends of the guide pipe are through, a thrust spring is movably arranged in the guide pipe, and the two ends of the thrust spring are respectively pressed on the outer wall surface of the sealing ring to play roles in compressing, sealing and wear compensation; the sealing ring positioning devices are at least provided with three groups, and the sealing ring positioning devices are arranged in a mode of surrounding the rotor shaft in a uniform array manner;
a rotating sleeve is arranged between the rotor shaft and the shell. The rotation external member is a rotation support and a position support between the rotor shaft and the support shell.
Furthermore, the even array of liquid hole of admitting air is provided with 6.
Furthermore, the sealing rings are divided into two groups by taking the central line of the high-temperature medium inlet as the center, and a sealing ring positioning device is arranged between the two groups of sealing rings;
taking the sealing ring positioning device as a near end, wherein each group of sealing rings is sequentially provided with a silicon carbide sealing ring, an antimony-impregnated graphite sealing ring and a fixed graphite steel ring;
and the end head of each group of sealing rings is provided with a sealing ring limiting device.
Further, the silicon carbide sealing ring is fixedly connected with a sealing ring positioning device, and the silicon carbide sealing ring and the sealing ring positioning device are connected through a positioning pin; the antimony-impregnated graphite sealing ring is fixedly connected with the fixed graphite steel ring, and a positioning pin is arranged between the antimony-impregnated graphite sealing ring and the fixed graphite steel ring.
Furthermore, the shell and two ends of the rotor shaft are integrally assembled through flange plates;
and the front end of the shell is also provided with a linking flange.
Furthermore, the rotating sleeve is in the form of bearings, at least two bearings are arranged, and a fixing ring is arranged between the bearings;
the bearing is sleeved on the rotor shaft, and the outer wall of the bearing is tightly attached to the shell;
the rear end of the rotating sleeve is fixed through a fixing screw piece, and the front end of the rotating sleeve is attached to the flange plate.
Furthermore, a gap is reserved between the rotating sleeve and the sealing ring, and a leakage port is formed in the shell at the gap position. The overflow port is used for preventing the high-temperature heat medium from being continuously retained to damage the bearing and influence the service life of equipment.
Furthermore, the front part of the interlayer layer of the rotor shaft is also provided with a fixing pin; the fixed pin is provided with two at least. The fixed pin is used for assisting in keeping the relative stroke between the rotor shaft and the shell to operate stably.
The utility model has the advantages that: the utility model discloses simple structure, use safety and stability, and easy to maintain through simple structure, has solved the drawback part to the drying-machine ubiquitous in the prior art, has realized the isolation of good hot-medium and backward flow cold medium, has guaranteed that hot-medium temperature is up to standard and not influenced by backward flow cold medium, and the stoving effect is stable. And the sealing mechanism is more reasonable in arrangement, the safe operation time is longer, and the service life of the whole equipment is prolonged.
Drawings
Fig. 1 is a schematic structural view of a sealed rotary joint for isolating high and low temperature heat-conducting media during recycling according to the present invention;
reference numerals:
1-rotor shaft 2-shell 3-bearing 4-flange 5-fixed screw sheet 6-fixed graphite steel ring 7-silicon carbide sealing ring 8-antimony-impregnated graphite sealing ring 9-thrust spring 10-guide tube 11-rotation stopping bolt 12-fixed pin 13-fixed ring 14-fastening nut 15-leakage opening 16-high temperature medium inlet 17-low temperature medium outlet 18-linking flange 19-gas inlet liquid hole 20-fixed silicon carbide steel ring
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1, the sealed rotary joint for isolating high and low temperature heat-conducting media during cyclic utilization of the present invention comprises a rotor shaft 1, wherein the rotor shaft 1 is of a double-layer structure, a central cavity of the rotor shaft is a backflow cavity after heat exchange of the heat medium, namely, a low temperature medium outlet 17, and a interlayer wall of the rotor shaft is a conveying cavity of the heat medium; the outer layer of the rotor shaft 1 is provided with an air inlet liquid hole 19,
a shell 2 is sleeved outside the rotor shaft 1, a high-temperature medium inlet 16 is formed in the shell 2, the high-temperature medium inlet 16 is arranged at the rear part of the shell 2, and the arrangement position of the high-temperature medium inlet corresponds to the air inlet liquid hole 19;
a sealing ring is arranged between the outer wall of the rotor shaft 1 and the inner wall of the shell 2, and the sealing ring is sleeved on the outer wall surface of the rotor shaft 1;
a sealing ring positioning device is also arranged between the sealing rings and is arranged at intervals of the gas-liquid inlet holes 19; the sealing ring positioning device comprises a guide pipe 10, and the guide pipe 10 is fixedly connected with the shell 2 through a rotation stopping bolt 11; i.e. the sealing ring positioning means remains fixed in position while the rotor shaft 1 rotates.
Two ends of the guide pipe 10 are through, a thrust spring 9 is movably arranged in the guide pipe 10, and two ends of the thrust spring 9 respectively press against the outer wall surface of the sealing ring to play roles in compressing, sealing and abrasion supplement; the sealing ring positioning devices are at least provided with three groups, and the sealing ring positioning devices are arranged in a mode of surrounding the rotor shaft 1 in an even array manner;
between the rotor shaft 1 and the housing 2, a rotation kit is also provided. The rotation kit is a rotational support and a positional support between the rotor shaft 1 and the support housing 2.
Preferably, the outer wall surface of the guide tube 10 is further sleeved with a fixed silicon carbide steel ring 20. The fixed silicon carbide steel ring 20 serves to further limit the position of the guide tube 10.
Furthermore, the number of the air inlet liquid holes 19 is 6.
Furthermore, the sealing rings are divided into two groups by taking the center line of the high-temperature medium inlet 16 as the center, and a sealing ring positioning device is arranged between the two groups of sealing rings;
by taking the sealing ring positioning device as a near end, each group of sealing rings is sequentially provided with a silicon carbide sealing ring 7, an antimony-impregnated graphite sealing ring 8 and a fixed graphite steel ring 6;
and each group of sealing ring end is provided with a sealing ring limiting device.
Preferably, the sealing ring positioning device is provided with 3-12 sealing rings.
Preferably, the rear end of the sealing ring limiting device adopts a fastening nut 14, and the front end of the sealing ring limiting device adopts a fixing block welded on the shell 2 to fix the position of the sealing ring.
Further, the silicon carbide sealing ring 7 is fixedly connected with a sealing ring positioning device, and the silicon carbide sealing ring and the sealing ring positioning device are connected through a positioning pin; the antimony-impregnated graphite sealing ring 8 is fixedly connected with the fixed graphite steel ring 6, and a positioning pin is arranged between the antimony-impregnated graphite sealing ring and the fixed graphite steel ring.
Further, the shell 2 and two ends of the rotor shaft 1 are integrally assembled through flange plates 4;
a linking flange 18 is also provided at the front end of the housing 2.
Further, the rotating sleeve is in the form of bearings 3, at least two bearings 3 are arranged, and a fixing ring 13 is arranged between the bearings 3;
the bearing 3 is sleeved on the rotor shaft 1, and the outer wall of the bearing 3 is tightly attached to the shell 2;
the rear end of the rotating sleeve is fixed through a fixing screw piece 5, and the front end of the rotating sleeve is attached to the flange plate 4.
Furthermore, a gap is reserved between the rotating sleeve and the sealing ring, and a leakage opening 15 is formed in the shell 2 at the gap position. The overflow port 15 is used for preventing the high-temperature heat medium from being continuously retained to damage the bearing 3 and influence the service life of the equipment.
Furthermore, a fixing pin 12 is arranged at the front part of the interlayer layer of the rotor shaft 1; the fixing pins 12 are provided with at least two. The fixing pin 12 is used to assist in keeping the relative stroke between the rotor shaft 1 and the housing 2 running stably.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A sealed rotary joint for high and low temperature heat-conducting media in isolated cyclic utilization comprises a rotor shaft, wherein the rotor shaft is of a double-layer structure, a central cavity of the rotor shaft is a backflow cavity after heat exchange of the heat medium, namely a low-temperature medium outlet, and a interlayer layer of the rotor shaft is a conveying cavity of the heat medium; the method is characterized in that: the outer layer of the rotor shaft is provided with a gas inlet liquid hole;
a shell is sleeved outside the rotor shaft, a high-temperature medium inlet is formed in the shell, the high-temperature medium inlet is arranged at the rear part of the shell, and the arrangement position of the high-temperature medium inlet corresponds to the gas inlet hole;
a sealing ring is arranged between the outer wall of the rotor shaft and the inner wall of the shell, and the sealing ring is sleeved on the outer wall surface of the rotor shaft;
a sealing ring positioning device is also arranged between the sealing rings and is arranged at intervals of the gas inlet liquid hole; the sealing ring positioning device comprises a guide pipe, and the guide pipe is fixedly connected with the shell through a rotation stopping bolt;
the two ends of the guide pipe are through, a thrust spring is movably arranged in the guide pipe, and the two ends of the thrust spring are respectively pressed on the outer wall surface of the sealing ring; the sealing ring positioning devices are at least provided with three groups, and the sealing ring positioning devices are arranged around the rotor shaft in an even array mode;
a rotating sleeve is arranged between the rotor shaft and the shell.
2. The sealed rotary joint for isolating a high and low temperature heat transfer medium during recycling according to claim 1, wherein the number of the inlet liquid holes is 6.
3. The sealed rotary joint for isolating high and low temperature heat-conducting media during recycling according to claim 1, wherein the sealing rings are divided into two groups by taking the center line of the inlet of the high temperature medium as the center, and a sealing ring positioning device is arranged between the two groups of sealing rings;
taking the sealing ring positioning device as a near end, wherein each group of sealing rings is sequentially provided with a silicon carbide sealing ring, an antimony-impregnated graphite sealing ring and a fixed graphite steel ring;
and the end head of each group of sealing rings is provided with a sealing ring limiting device.
4. The sealed rotary joint for isolating the high and low temperature heat-conducting medium during recycling according to claim 3, wherein the silicon carbide sealing ring is fixedly connected with the sealing ring positioning device, and the silicon carbide sealing ring and the sealing ring positioning device are connected through a positioning pin; the antimony-impregnated graphite sealing ring is fixedly connected with the fixed graphite steel ring, and a positioning pin is arranged between the antimony-impregnated graphite sealing ring and the fixed graphite steel ring.
5. The sealed rotary joint for isolating high and low temperature heat-conducting media during recycling according to claim 1, wherein the housing is integrally assembled with both ends of the rotor shaft through flanges;
and the front end of the shell is also provided with a linking flange.
6. The sealed rotary joint for isolating a high and low temperature heat transfer medium during recycling according to claim 1, wherein the rotating sleeve is in the form of bearings, at least two bearings are provided, and a fixing ring is provided between the bearings;
the bearing is sleeved on the rotor shaft, and the outer wall of the bearing is tightly attached to the shell;
the rear end of the rotating sleeve is fixed through the fixing screw piece, and the front end of the rotating sleeve is attached to the flange plate.
7. The sealed rotary joint for isolating high and low temperature heat-conducting media during recycling according to claim 1, wherein a gap is left between the rotating sleeve and the sealing ring, and a leakage port is formed on the housing at the gap position.
8. The sealed rotary joint for isolating a high and low temperature heat transfer medium during recycling according to claim 1, wherein a fixing pin is further provided at the front part of the interlayer layer of the rotor shaft; the fixing pins are provided with at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221289919.3U CN217603601U (en) | 2022-05-27 | 2022-05-27 | Sealing rotary joint for high-low temperature heat-conducting medium in isolation recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221289919.3U CN217603601U (en) | 2022-05-27 | 2022-05-27 | Sealing rotary joint for high-low temperature heat-conducting medium in isolation recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217603601U true CN217603601U (en) | 2022-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221289919.3U Active CN217603601U (en) | 2022-05-27 | 2022-05-27 | Sealing rotary joint for high-low temperature heat-conducting medium in isolation recycling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217603601U (en) |
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2022
- 2022-05-27 CN CN202221289919.3U patent/CN217603601U/en active Active
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